I think c is used in electric power plants.
Explanation:
The physical properties of organic compounds typically of interest include both quantitative and qualitative features. Quantitative information includes a melting point, boiling point, and index of refraction. Qualitative properties include odor, consistency, solubility, and color.
So scientist around the world can share there info without having to convert and doing extra work.
Answer:
I'm not sure but I think it's organic
